Aliases include bitter herbs, bitter herbs, chicory, chicory and so on. It is found in most parts of north and south China, and often grows in fields, wet places and hillside roadsides. It has many basal leaves and few stem leaves, and its shape is basically the same; The flowers are yellow and the fruit is white. Chicory is one of the wild vegetables that people have eaten for a long time, and it is still favored by people.